Home / 27,452.90-41,186.10-7,731.20

Finding the Fourth Proportional to 27,452.90, 41,186.10 and 7,731.20

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Solution

The fourth proportional to 27,452.90, 41,186.10 and 7,731.20 is: 11,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452.90 : 41,186.10 = 7,731.20 : x
  2. Step 2: Convert to fraction form
    27,452.90/41,186.10 = 7,731.20/x
  3. Step 3: Cross multiply
    27,452.90x = 41,186.10 × 7,731.20
  4. Step 4: Simplify right side
    27,452.90x = 318,417,976.32
  5. Step 5: Solve for x
    x = 318,417,976.32/27,452.90
  6. Step 6: Final answer
    x = 11,598.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.